Seniors can strengthen their brain with a few workouts

Older adults who receive as few as 10 sessions of mental training show improvements in reasoning and speed of processing skills 10 years later.

“Our prior research suggested that the benefits of the training could last up to five years, or even seven years, but no one had ever reported 10-year maintenance in mental training in older adults,” says Michael Marsiske, associate professor of clinical and health psychology at the University of Florida.

“One of the reasons that this is surprising has to do with how little training we did with participants, about 10 to 18 sessions. This would be like going to the gym for between five and 10 weeks, never going again, and still seeing positive effects a decade later.”

Participants who received cognitive training also reported significantly less difficulty with daily living tasks, such as housework, medication management and shopping.

Published in the Journal of the American Geriatrics Society, the study included 2,832 people aged 65 to 96 who were divided into groups for 10 training sessions in memory, reasoning, or speed of processing.

Training was conducted in 60- to 75-minute sessions over a five- to six-week period. Some participants were randomly selected to receive booster training 11 and 35 months following the initial training. A control group received no training.

Researchers conducted outcome assessments immediately after the training and again two, three, five and 10 years later.

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At the 10-year mark, nearly three-quarters of study participants who received reasoning training and more than 70 percent of speed-of-processing participants were performing at or above their baseline level compared with about 62 percent and 50 percent, respectively, of control participants.

While memory improvements were not sustained 10 years later among participants in the memory training group, older adults in all three of the training groups reported less decline in their ability to perform daily tasks.

Researchers are currently studying ways to extend mental training beyond the training sessions to activities that older adults can do on their own, such as computerized training programs. They are also evaluating the effect of combining mental exercise with physical exercise.

“I think we've permanently shattered the myth that old dogs, and older humans, can't learn new tricks,” Marsiske says.”Oftentimes older adults will ask 'Should I do crossword puzzles?' And yes, those are a wonderful thing to do. But if you're an expert crossword puzzler, late life is the time to take on some new challenge.

“So play video games or learn an instrument, because learning new things seems to be the real secret to maintaining mental functioning in old age.”

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This report is from Indiana University, Johns Hopkins University, University of Florida and University of Washington. Results of scientific studies as described by the researchers and their institutions.

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